Profile controlling and water plugging device for oil-containing sludge

Abstract

The invention provides a profile controlling and water plugging device for oil-containing sludge, belongs to the technical field of oil field production-related equipment, and solves the problems thata profile controlling and water plugging agent cannot be produced on site directly, and is low in production efficiency and inconvenient to move. The profile controlling and water plugging device forthe oil-containing sludge comprises a transporting vehicle and an overall machine seat; a waste liquid box is fixed to the lower end of the transporting vehicle; the overall machine seat is detachably fixed to the transporting vehicle; a material storage tank, a control cabinet, a liquid preparation tank, a plurality of first feeding boxes, a liquid storage tank, a plurality of second feeding boxes and a sludge raw material box are fixed to the upper end of the overall machine seat; the liquid storage tank is connected to the plurality of the second feeding boxes and the liquid preparation tank is connected to the plurality of the first feeding boxes through pipelines; a hot steam filter is fixed to each exhaust hole of the liquid preparation tank and the liquid storage tank; curved capillary tubes are arranged in the liquid storage tank; the lower end of the curved capillary tube extends out of the liquid storage tank and is connected with a back suction fan; and the curved capillarytube is connected to the two hot steam filters through pipelines. The profile controlling and water plugging device for the oil-containing sludge is convenient to move; the profile controlling and water plugging agent can be treated and prepared on site; the mixing is uniform; the heat is fully utilized; and the production efficiency is accelerated.

Description

technical field [0001] The invention belongs to the technical field of equipment related to oil production in oilfields, in particular to a device for profile control and water shutoff of oily sludge. Background technique [0002] In the middle and late stages of oilfield development, formation energy and recovery rate decrease. Most oilfields in my country begin to replenish formation energy by water injection to increase recovery rate. However, due to the heterogeneity and complexity of formations and oil layers, there will be phenomena of "burst" and "channeling" of water in the oil layer. As the amount of water injection increases, the unevenness of the water injection profile increases, resulting in a large amount of water produced by the oil well. Therefore, profile control and water plugging are required. When oil production wells are used to plug high-permeability layers, it can reduce oil well water production; [0003] In the prior art, oilfields are rich in heav...

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Problems solved by technology

[0004] At present, oily sludge profile control and water plugging technology is developing in the direction of large doses of deep multi-slugs. The consumption of a single well can reach more than 10,000 m3, and the construction time can be as long as two months or even longer. Therefore, the device occupies a large area. It is inconvenient to move. In the oil production site, it cannot be moved at will. The process is cumbersome and the proportioning operation is complicated. It can make full use of heat and speed up production efficiency. Moreover, the toxic and harmful substances contained in oily sludge and the waste generated by the production of profile control and water shutoff agent are harmful to construction. The person suffered serious bodily injury

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